VC开发的仿WINDOWS计算器，实现所有功能，对做复杂计算器是一个很好的参考。-VC developed imitation WINDOWS calculators, the realization of all functions, so the complexity of the calculator is a good reference.

小型计算器包含加减乘除、三角函数、倒数等等功能-Small calculator contains add subtract multiply and divide trigonometric function bottom.